Home / 1,005,341.82-1,387,336.56-552,629.58

Finding the Fourth Proportional to 1,005,341.82, 1,387,336.56 and 552,629.58

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Solution

The fourth proportional to 1,005,341.82, 1,387,336.56 and 552,629.58 is: 762,609.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,341.82 : 1,387,336.56 = 552,629.58 : x
  2. Step 2: Convert to fraction form
    1,005,341.82/1,387,336.56 = 552,629.58/x
  3. Step 3: Cross multiply
    1,005,341.82x = 1,387,336.56 × 552,629.58
  4. Step 4: Simplify right side
    1,005,341.82x = 766,683,220,471.45
  5. Step 5: Solve for x
    x = 766,683,220,471.45/1,005,341.82
  6. Step 6: Final answer
    x = 762,609.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.